Be-happy   
by Dragan Zivanovic   

Unique logic game.
Simple dynamic and fascinating. There are circles connected by lines.
Move from one circle to another while any links exist. When you pass a
line, it disappears and arises on another random place. You mast make
necessary number of moves per level and do not sink in mud. The time for
each move is limited. On some levels, extra circles appear. When you
pass across, each kind of them cause different action.